Poolsak Sahakitpichan. 1990. Synthetic studies of isoindolobenzazepine and homoprotoberberine alkaloids. Faculty of Graduate Studies, Mahidol University;
Poolsak Sahakitpichan. (1990) Synthetic studies of isoindolobenzazepine and homoprotoberberine alkaloids . Mahidol University/Bangkok.
Poolsak Sahakitpichan. Synthetic studies of isoindolobenzazepine and homoprotoberberine alkaloids. . Bangkok:Mahidol University, 1990.
Poolsak Sahakitpichan. (1990) Synthetic studies of isoindolobenzazepine and homoprotoberberine alkaloids . Mahidol University/Bangkok.